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Hardware Configuration
ROBO-8713 Series User’s Manual
2-12
J25: General Purpose I/O Connector
PIN No.
Signal Description
1
General Purpose I/O Port 0 (GPIO0)
2
General Purpose I/O Port 1 (GPIO1)
3
General Purpose I/O Port 2 (GPIO2)
4
General Purpose I/O Port 3 (GPIO3)
5 Ground
6
General Purpose I/O Port 4 (GPIO4)
7
General Purpose I/O Port 5 (GPIO5)
8
General Purpose I/O Port 6 (GPIO6)
9
General Purpose I/O Port 7 (GPIO7)
10 +5V
Note:
All General Purpose I/O ports can only apply to standard TTL ± 5% signal level
(0V/5V), and each Fan.
J26 : COM2 Serial Port 2 Connector
PIN No.
Signal Description
RS-232 RS-422
RS-485
1
DCD (Data Carrier Detect)
TX-
DATA-
2
RXD (Receive Data)
TX+
DATA+
3
TXD (Transmit Data)
RX+
N/C
4
DTR (Data Terminal Ready)
RX-
N/C
5 GND
(Ground)
GND
GND
6
DSR (Data Set Ready)
N/C
N/C
7
RTS (Request to Send)
N/C
N/C
8
CTS (Clear to Send)
N/C
N/C
9
RI (Ring Indicator)
N/C
N/C
10 N/C
N/C
N/C
Note:
J26 (COM2) could be configurable as RS-232/422/485 with jumper JP2.
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